【正文】 該有勇氣的，故選C。12．C解析：C【詳解】句意：——你認(rèn)識(shí)上周從火災(zāi)中救他鄰居的那個(gè)男孩嗎?——當(dāng)然!我真佩服他的勇氣。根據(jù)“The new highspeed railway connecting Zhenjiang to Lianyungang is now in…”可知，此處指高鐵在使用中；in service“在使用中，運(yùn)行中”。考查名詞辨析。故選B。condition條件；position職位；education教育；situation情況?！@就是為什么很多人尊敬他。故選B。instruction指令；instrument器具，樂器；introduction引進(jìn)；invention發(fā)明。9．B解析：B【詳解】句意：——哇，你小提琴拉得太好了！——謝謝，但那是我唯一能演奏的樂器。根據(jù)“who is travelling or visiting a place”可知，正在旅行或參觀某個(gè)地方的人是指游客。考查名詞辨析。故選C。根據(jù)“Peter is interested in reading books about animals and plants.”可知，Peter對(duì)動(dòng)物、鳥類和花卉都很了解?？疾槊~詞義辨析。7．C解析：C【詳解】句意：彼得對(duì)讀有關(guān)動(dòng)植物的書很感興趣。根據(jù)句意理解及空后“how we can tell whether the information is true or not”可知，怎樣辨析信息是否真實(shí)是一個(gè)“挑戰(zhàn)”?？疾槊~辨析?！堑摹８鶕?jù)“finding a better job as an engineer”，可知應(yīng)該是目的，the purpose of…“……的目的”，故選D。5．D解析：D【詳解】句意：——你知道大衛(wèi)上個(gè)月為什么去倫敦嗎?——他去那兒的目的是找一份更好的工程師工作。attention注意力；condition條件；instruction指令；production產(chǎn)品。4．A解析：A【詳解】句意：3月20日，四川廣漢三星堆遺址吸引了全世界的注意力。題干中“One tree can’t make a forest”意為獨(dú)木不成林，強(qiáng)調(diào)團(tuán)隊(duì)合作的重要性。告訴我們成功來自良好的團(tuán)隊(duì)合作。a few后接可數(shù)名詞復(fù)數(shù)，排除B、D選項(xiàng)；結(jié)合語境，可知應(yīng)是給我們一些建議，所以suggestions符合題意，hobbies句意不通，排除C選項(xiàng)；故選A?？疾槊~辨析。故選B。joke玩笑；fun樂趣；knowledge知識(shí)；skill技能。s easier for you to pay ________ to it for a long time.A．a(chǎn)ttention B．interest C．progress D．information19．— Did Lucy dress herself beautifully at her birthday party?— Yeah, of course. Her white dress caught everyone’s ______.A．celebration B．organization C．introduction D．a(chǎn)ttention20．Because plenty of _______ were found, Sanxingdui Ruins was named the Scientific Education Base for China’s Youth (中國青少年科教基地) in March this year.A．standards B．projects C．treasures D．instructions21．The boy is crazy about football but he has no time to play it. He finds it difficult to keep ________ between his schoolwork and his hobbies.A．balance B．possibility C．relationship D．suggestion22．— Do you really think you can learn that much in only a couple of hours?— Yes. We will try a very useful ________ of dealing with memory problems.A．report B．process C．method D．a(chǎn)ctivity23．Because of the outbreak of Corona virus, people all over the world are keeping a close eye on medical ________ of Chinese medicine, like Lianhuaqingwen Capsule (膠囊).A．value B．price C．cost D．wealth24．One person’s ________ doesn’t depend on how much money he has made, but on how many contributions he has made to our country.A．experience B．value C．wealth D．career25．Life is like riding a bicycle. To keep your ________, you must keep moving.A．promise B．position C．balance D．a(chǎn)bility26．—I have great ________ in learning Chemistry and I am so worried. Could you help me?—Sure. I would be glad to.A．interest B．trouble C．fun D．joy27．I was attracted by the lady’s warm smile. It was really like a hidden ________